Tongue position for lingual frenulum assessment

Martinelli, Roberta Lopes de Castro; Marchesan, Irene Queiroz; Berretin-Felix, Giédre

doi:10.1590/1982-0216/20202210120

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ORIGINAL ARTICLES • Rev. CEFAC 22 (1) • 2020 • https://doi.org/10.1590/1982-0216/20202210120 copy

Tongue position for lingual frenulum assessment

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Purpose:

to compare the movements of elevation and protrusion of the tongue in order to determine which position provides better lingual frenulum assessment.

Methods:

a database of 92 audiovisual recordings of subjects over six-years of age diagnosed with ankyloglossia was used to verify the shape of the tip of the tongue during tongue elevation and protrusion. The Chi-Square Test for Proportion was applied to verify possible differences between the postures of elevation and protrusion. The significance level of 5% (p<0.05) was adopted.

Results:

the statistical analysis demonstrated that both shapes, i.e., the V-shaped one and the heart-shaped one are more visible during tongue elevation than during tongue protrusion.

Conclusion:

elevation is the position that allows the best observation of the shape of the tip of the tongue.

Keywords:
Lingual Frenulum; Tongue; Ankyloglossia; Speech, Language and Hearing Sciences

Variable	Protrusion		Elevation		p-value
Variable	Frequency	Percentage	Frequency	Percentage	p-value
V-shaped	21	22.80%	44	47.80%	0.035*
Heart-shaped	8	8.70%	45	48.90%	0.001*
Round	63	68.50%	3	3.30%	< 0.001*
Tongue protrudes beyond the vermillion border of the lower lip	90	97.83%	-	-	-
Elevation of the back of the tongue concomitant with elevation of the tip of the tongue	-	-	40	43.50%	-
Elevation of the floor of the mouth concomitant with elevation of the tip of the tongue	-	-	29	31.50%	-

Variable	n	Percentage	p-value
V-shaped observed during tongue elevation	44	47.83%	< 0.001*
Extending the tongue beyond the vermilion border of lower lip during protrusion	90	97.83%	< 0.001*
Heart-shaped observed during tongue elevation	45	48.91%	< 0.001*
Extending the tongue beyond the vermilion border of lower lip during protrusion	90	97.83%	< 0.001*
Round observed during tongue elevation	3	3.26%	< 0.001*
Extending the tongue beyond the vermilion border of lower lip during protrusion	90	97.83%	< 0.001*
Elevation of the back of the tongue concomitant with elevation of the tip of the tongue	40	43.48%	< 0.001*
Extending the tongue beyond the vermilion border of lower lip during protrusion	90	97.83%	< 0.001*
Elevation of the floor of the mouth concomitant with elevation of the tip of the tongue	29	31.52%	< 0.001*
Extending the tongue beyond the vermilion border of lower lip during protrusion	90	97.83%	< 0.001*

ABRAMO Associação Brasileira de Motricidade Orofacial Rua Uruguaiana, 516, Cep 13026-001 Campinas SP Brasil, Tel.: +55 19 3254-0342 - São Paulo - SP - Brazil
E-mail: revistacefac@cefac.br

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[1] Corresponding address: Roberta Lopes de Castro Martinelli, Avenida Rui Barbosa, 703 - Centro, CEP: 17380-000 - Brotas, São Paulo, Brasil, E-mail:robertalcm@gmail.com